a.

• ariana grande ♕ solo
• shawn mendes ❀ solo

b.

• jaehyun ♔ nct
• baekhyun ⋅ exo
• taeyeon ⋅ soshi
• jaejoong ⋅ solo

c.

• anna iriyama ⋅ akb
• krystal ⋅ f(x)
• lia ⋅ itzy
• dua lipa ⋅ solo
• woohyun ⋅ infinite
• joy ⋅ red velvet
• soyou :( ⋅ sistar
• rosé ⋅ blackpink
• ken ⋅ vixx